Upright piano



FIG. 1 is a front, right side perspective view of an upright piano, showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a front, top perspective view thereof;

FIG. 4 is an enlarged, partial view thereof;

FIG. 5 is a front, left side perspective view thereof;

FIG. 6 is an enlarged partial view thereof;

FIG. 7 is an enlarged partial view thereof; and,

FIG. 8 is an enlarged partial view thereof.

The bottom and rear views of the upright piano form no part of the claimed design. 

CLAIM The ornamental design for an upright piano, as shown and described. 